<TITLE>BGI Documentation for 
cleardevice
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<H2>
cleardevice
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<DT><B>Syntax</B><DD>
<PRE>
#include &lt;graphics.h&gt;
void cleardevice(void);
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<DT><B>Description</B><DD>
cleardevice erases (that is, fills with the current background color) the entire graphics screen and moves the CP (current position) to home (0,0).


<P><DT><B>Return Value</B><DD>
None.


<P><DT><B>See also</B>
<DD><A HREF="clearviewport.html"> clearviewport </A>


<P><DT><B>Example</B><DD>
<PRE>
/* cleardevice example */ 

#include &lt;graphics.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;stdio.h&gt;
#include &lt;conio.h&gt;

int main(void)
{
   /* request autodetection */
   int gdriver = DETECT, gmode, errorcode;
   int midx, midy;

   /* initialize graphics and local variables */
   initgraph(&gdriver, &gmode, "");

   /* read result of initialization */
   errorcode = graphresult();
   if (errorcode != grOk) {    /* an error occurred */
      printf("Graphics error: %s\n", grapherrormsg(errorcode));

      printf("Press any key to halt:");
      getch();
      exit(1);                 /* terminate with an error code */
   }

   midx = getmaxx() / 2;
   midy = getmaxy() / 2;
   setcolor(getmaxcolor());

   /* for centering screen messages */
   settextjustify(CENTER_TEXT, CENTER_TEXT);

   /* output a message to the screen */
   outtextxy(midx, midy, "Press any key to clear the screen:");

   getch();   /* wait for a key */
   cleardevice();   /* clear the screen */

   /* output another message */
   outtextxy(midx, midy, "Press any key to quit:");
   /* clean up */
   getch();
   closegraph();
   return 0;
}
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